Name: Sphingomonadaceae Kosako et al. 2000

Category: Family

Proposed as: fam. nov.

Etymology: Sphin.go.mo.na.da’ce.ae. N.L. fem. n. Sphingomonas, type genus of the family; L. fem. pl. n. suff. -aceae, ending to denote a family; N.L. fem. pl. n. Sphingomonadaceae, the Sphingomonas family

Pronunciation, gender: sp^hin-go-mo-na-DA-ke-a͡e, feminine

Type genus: Sphingomonas Yabuuchi et al. 1990

Effective publication: Kosako Y, Yabuuchi E, Naka T, Fujiwara N, Kobayashi K. Proposal of Sphingomonadaceae fam. nov., consisting of Sphingomonas Yabuuchi et al. 1990, Erythrobacter Shiba and Shimidu 1982, Erythromicrobium Yurkov et al. 1994, Porphyrobacter Fuerst et al. 1993, Zymomonas Kluyver and van Niel 1936, and Sandaracinobacter Yurkov et al. 1997, with the type genus Sphingomonas Yabuuchi et al. 1990. Microbiol Immunol 2000; 44:563-575. 🇯🇵

IJSEM list: Anonymous. Validation list no. 77. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2000; 50:1953.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Synonyms:

  • Name	Kind
    Sphingobiaceae Wang et al. 2025	heterotypic synonym, validly published under the ICNP
    Sphingorhabdaceae Wang et al. 2025	heterotypic synonym, validly published under the ICNP
    Sphingomicrobiaceae Wang et al. 2025	heterotypic synonym, validly published under the ICNP
    Rhizorhabdaceae Wang et al. 2025	heterotypic synonym, validly published under the ICNP
    Aquisediminimonadaceae Wang et al. 2025	heterotypic synonym, validly published under the ICNP
    Blastomonadaceae Wang et al. 2025	heterotypic synonym, validly published under the ICNP
    Parasphingopyxidaceae Wang et al. 2025	heterotypic synonym, validly published under the ICNP
    Sphingopyxidaceae Wang et al. 2025	heterotypic synonym, validly published under the ICNP

• Emendations:
  • Hördt et al. 2020 Hordt A, Lopez MG, Meier-Kolthoff JP, Schleuning M, Weinhold LM, Tindall BJ, Gronow S, Kyrpides NC, Woyke T, Goker M. Analysis of 1,000+ Type-Strain Genomes Substantially Improves Taxonomic Classification of Alphaproteobacteria. Front Microbiol 2020; 11:468. 🇩🇪 Oren A, Garrity GM. List of changes in taxonomic opinion no. 32. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2020; 70:4061-4090.
    Notes:
    • ⊕ Emendation accompanied by the inclusion of 15 genera in the family.
    • ⊖ Emendation accompanied by the removal of 8 genera from the family.

• Notes:
  • 🧒 Boone et al. (2001) assigned the genus Erythromicrobium Yurkov et al. 1994 to this family. Publication: Garrity GM, Holt JG. The Road Map to the Manual. In: Boone DR, Castenholz RW, Garrity GM (eds), Bergey's Manual of Systematic Bacteriology, second edition, vol. 1 (The Archaea and the deeply branching and phototrophic Bacteria), Springer-Verlag, New York, 2001, p. 119-166. 🇺🇸
  • 🧒 Brenner et al. (2005) assigned the genus Erythrobacter Shiba and Simidu 1982 to this family. Publication: Garrity GM, Bell JA, Lilburn T. Class I. Alphaproteobacteria class. nov. In: Brenner DJ, Krieg NR, Staley JT, Garrity GM (eds), Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. 2 (The Proteobacteria), part C (The Alpha-, Beta-, Delta-, and Epsilonproteobacteria), Springer, New York, 2005, p. 1. 🇺🇸
  • 🧒 Brenner et al. (2005) assigned the genus Porphyrobacter Fuerst et al. 1993 to this family. Publication: Garrity GM, Bell JA, Lilburn T. Class I. Alphaproteobacteria class. nov. In: Brenner DJ, Krieg NR, Staley JT, Garrity GM (eds), Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. 2 (The Proteobacteria), part C (The Alpha-, Beta-, Delta-, and Epsilonproteobacteria), Springer, New York, 2005, p. 1. 🇺🇸
  • 🧒 Fukuda et al. (2014) assigned the genus Polymorphobacter Fukuda et al. 2014 to this family. Publication: Fukuda W, Chino Y, Araki S, Kondo Y, Imanaka H, Kanai T, Atomi H, Imanaka T. Polymorphobacter multimanifer gen. nov., sp. nov., a polymorphic bacterium isolated from Antarctic white rock. Int J Syst Evol Microbiol 2014; 64:2034-2040. 🇯🇵
  • 🧒 Gläser et al. (2009) assigned the genus Novosphingobium Takeuchi et al. 2001 to this family. Publication: Glaeser SP, Kampfer P, Busse HJ, Langer S, Glaeser J. Novosphingobium acidiphilum sp. nov., an acidophilic salt-sensitive bacterium isolated from the humic acid-rich Lake Grosse Fuchskuhle. Int J Syst Evol Microbiol 2009; 59:323-330. 🇩🇪
  • 🧒 Kim et al. (2016) assigned the genus Sandarakinorhabdus Gich and Overmann 2006 to this family. Publication: Kim M, Kang O, Zhang Y, Ren L, Chang X, Jiang F, Fang C, Zheng C, Peng F. Sphingoaurantiacus polygranulatus gen. nov., sp. nov., isolated from high-Arctic tundra soil, and emended descriptions of the genera Sandarakinorhabdus, Polymorphobacter and Rhizorhabdus and the species Sandarakinorhabdus limnophila, Rhizorhabdus argentea and Sphingomonas wittichii. Int J Syst Evol Microbiol 2016; 66:91-100. 🇨🇳
  • 🧒 Kim et al. (2016) assigned the genus Sphingoaurantiacus Kim et al. 2016 to this family. Publication: Kim M, Kang O, Zhang Y, Ren L, Chang X, Jiang F, Fang C, Zheng C, Peng F. Sphingoaurantiacus polygranulatus gen. nov., sp. nov., isolated from high-Arctic tundra soil, and emended descriptions of the genera Sandarakinorhabdus, Polymorphobacter and Rhizorhabdus and the species Sandarakinorhabdus limnophila, Rhizorhabdus argentea and Sphingomonas wittichii. Int J Syst Evol Microbiol 2016; 66:91-100. 🇨🇳
  • 🧒 Kosako et al. (2000) assigned the genus Erythrobacter Shiba and Simidu 1982 to this family. Publication: Kosako Y, Yabuuchi E, Naka T, Fujiwara N, Kobayashi K. Proposal of Sphingomonadaceae fam. nov., consisting of Sphingomonas Yabuuchi et al. 1990, Erythrobacter Shiba and Shimidu 1982, Erythromicrobium Yurkov et al. 1994, Porphyrobacter Fuerst et al. 1993, Zymomonas Kluyver and van Niel 1936, and Sandaracinobacter Yurkov et al. 1997, with the type genus Sphingomonas Yabuuchi et al. 1990. Microbiol Immunol 2000; 44:563-575. 🇯🇵
  • 🧒 Kosako et al. (2000) assigned the genus Erythromicrobium Yurkov et al. 1994 to this family. Publication: Kosako Y, Yabuuchi E, Naka T, Fujiwara N, Kobayashi K. Proposal of Sphingomonadaceae fam. nov., consisting of Sphingomonas Yabuuchi et al. 1990, Erythrobacter Shiba and Shimidu 1982, Erythromicrobium Yurkov et al. 1994, Porphyrobacter Fuerst et al. 1993, Zymomonas Kluyver and van Niel 1936, and Sandaracinobacter Yurkov et al. 1997, with the type genus Sphingomonas Yabuuchi et al. 1990. Microbiol Immunol 2000; 44:563-575. 🇯🇵
  • 🧒 Kosako et al. (2000) assigned the genus Porphyrobacter Fuerst et al. 1993 to this family. Publication: Kosako Y, Yabuuchi E, Naka T, Fujiwara N, Kobayashi K. Proposal of Sphingomonadaceae fam. nov., consisting of Sphingomonas Yabuuchi et al. 1990, Erythrobacter Shiba and Shimidu 1982, Erythromicrobium Yurkov et al. 1994, Porphyrobacter Fuerst et al. 1993, Zymomonas Kluyver and van Niel 1936, and Sandaracinobacter Yurkov et al. 1997, with the type genus Sphingomonas Yabuuchi et al. 1990. Microbiol Immunol 2000; 44:563-575. 🇯🇵
  • 🧒 Kosako et al. (2000) assigned the genus "Sandaracinobacter" Yurkov et al. 1997 to this family. Publication: Kosako Y, Yabuuchi E, Naka T, Fujiwara N, Kobayashi K. Proposal of Sphingomonadaceae fam. nov., consisting of Sphingomonas Yabuuchi et al. 1990, Erythrobacter Shiba and Shimidu 1982, Erythromicrobium Yurkov et al. 1994, Porphyrobacter Fuerst et al. 1993, Zymomonas Kluyver and van Niel 1936, and Sandaracinobacter Yurkov et al. 1997, with the type genus Sphingomonas Yabuuchi et al. 1990. Microbiol Immunol 2000; 44:563-575. 🇯🇵
  • 🧒 Kosako et al. (2000) assigned the genus Zymomonas Kluyver and van Niel 1936 (Approved Lists 1980) to this family. Publication: Kosako Y, Yabuuchi E, Naka T, Fujiwara N, Kobayashi K. Proposal of Sphingomonadaceae fam. nov., consisting of Sphingomonas Yabuuchi et al. 1990, Erythrobacter Shiba and Shimidu 1982, Erythromicrobium Yurkov et al. 1994, Porphyrobacter Fuerst et al. 1993, Zymomonas Kluyver and van Niel 1936, and Sandaracinobacter Yurkov et al. 1997, with the type genus Sphingomonas Yabuuchi et al. 1990. Microbiol Immunol 2000; 44:563-575. 🇯🇵
  • 🧒 Liu et al. (2014) assigned the genus Pacificimonas corrig. Liu et al. 2016 to this family. Publication: Liu K, Li S, Jiao N, Tang K. Pacificamonas flava gen. nov., sp. nov., a novel member of the family Sphingomonadaceae isolated from the Southeastern Pacific. Curr Microbiol 2014; 69:96-101. 🇨🇳
  • 🧒 Maruyama et al. (2006) assigned the genus Sphingosinicella Maruyama et al. 2006 to this family. Publication: Maruyama T, Park HD, Ozawa K, Tanaka Y, Sumino T, Hamana K, Hiraishi A, Kato K. Sphingosinicella microcystinivorans gen. nov., sp. nov., a microcystin-degrading bacterium. Int J Syst Evol Microbiol 2006; 56:85-89. 🇯🇵
  • 💁 Taxonomists who have recently focused on this group are the corresponding authors of Takeuchi et al. (2001), Kim et al. (2016), Feng et al. (2020). Editors in search of reviewers are advised to consider additional criteria such as whether a taxon is covered by one of the ICSP subcommittees.
  • 🎰 The BRCs most frequently used for deposits in this group are: DSM: 274; KCTC: 180; JCM: 178; LMG: 131; NBRC: 101; KACC: 100; CIP: 89; CGMCC: 74; CCTCC: 55; ATCC: 51.

Subdivision:

Number of child taxa with a validly published and correct name: 20
Number of child taxa with a validly published name, including synonyms: 49
Total number of child taxa: 54

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Aestuariisphingobium Li et al. 2020	validly published under the ICNP	synonym
    Allosphingosinicella Hördt et al. 2020	validly published under the ICNP	correct name
    Alteraquisediminimonas Wang et al. 2025	validly published under the ICNP	synonym
    Alterirhizorhabdus Wang et al. 2025	validly published under the ICNP	synonym
    Alterisphingobium Wang et al. 2025	validly published under the ICNP	synonym
    Alterisphingomonas Wang et al. 2025	validly published under the ICNP	synonym
    Alterisphingopyxis Wang et al. 2025	validly published under the ICNP	synonym
    Alterisphingorhabdus Yan et al. 2024	validly published under the ICNP	correct name
    Alteristakelama Wang et al. 2025	validly published under the ICNP	synonym
    Alteriyabuuchia Wang et al. 2025	validly published under the ICNP	synonym
    "Candidatus Andeanibacterium" Diaz-Garcia et al. 2023	not validly published	preferred name
    Aquisediminimonas Jin et al. 2019	validly published under the ICNP	correct name
    Binariimonas Zhao et al. 2025	validly published under the ICNP	correct name
    Blastomonas Sly and Cahill 1997	validly published under the ICNP	correct name
    Chakrabartia Jani et al. 2019	validly published under the ICNP	correct name
    Chioneia Tahon et al. 2022	validly published under the ICNP	synonym
    "Citromicrobium" Yurkov et al. 1999	not validly published	preferred name
    Edaphosphingomonas Wang et al. 2025	validly published under the ICNP	synonym
    Elkelangia Hördt et al. 2020	validly published under the ICNP, illegitimate name	synonym
    Erythromonas Yurkov et al. 1997	validly published under the ICNP	synonym
    Facivitalis Arkan-Ozdemir et al. 2025	validly published under the ICNP	correct name
    Flavisphingomonas Wang et al. 2025	validly published under the ICNP	synonym
    Flavisphingopyxis Wang et al. 2025	validly published under the ICNP	synonym
    "Hankyongella" Siddiqi and Im 2020	not validly published	preferred name
    Hephaestia Felföldi et al. 2014	validly published under the ICNP	correct name
    Humisphingomonas Wang et al. 2025	validly published under the ICNP	synonym
    "Lutibacterium" Chung and King 2001	not validly published	preferred name
    Neorhizorhabdus Wang et al. 2025	validly published under the ICNP	synonym
    Novistakelama Wang et al. 2025	validly published under the ICNP	synonym
    Novosphingopyxis Feng et al. 2020	validly published under the ICNP	correct name
    Parablastomonas Ren et al. 2015	validly published under the ICNP	correct name
    Paraquisediminimonas Wang et al. 2025	validly published under the ICNP	synonym
    Pararhizorhabdus Wang et al. 2025	validly published under the ICNP	synonym
    Parasphingobium Wang et al. 2025	validly published under the ICNP	synonym
    Parasphingomonas Wang et al. 2025	validly published under the ICNP	synonym
    Parasphingopyxis Uchida et al. 2012	validly published under the ICNP	correct name
    Parasphingorhabdus Feng et al. 2020	validly published under the ICNP	correct name
    Parastakelama Wang et al. 2025	validly published under the ICNP	synonym
    Parayabuuchia Wang et al. 2025	validly published under the ICNP	synonym
    Pseudosphingomonas Wang et al. 2025	validly published under the ICNP	synonym
    Pseudostakelama Wang et al. 2025	validly published under the ICNP	synonym
    Rhizomonas van Bruggen et al. 1990	validly published under the ICNP, rejected name	synonym
    Rhizorhabdus Francis et al. 2014	validly published under the ICNP	correct name
    Rhizorhapis Francis et al. 2014	validly published under the ICNP	correct name
    Solisphingomonas Wang et al. 2025	validly published under the ICNP	synonym
    Sphingobium Takeuchi et al. 2001	validly published under the ICNP	correct name
    Sphingomicrobium Kämpfer et al. 2012	validly published under the ICNP	correct name
    Sphingomonas Yabuuchi et al. 1990	validly published under the ICNP	correct name
    Sphingopyxis Takeuchi et al. 2001	validly published under the ICNP	correct name
    Sphingorhabdus Jogler et al. 2013	validly published under the ICNP	correct name
    Sphingosinithalassobacter Hetharua et al. 2019	validly published under the ICNP	synonym
    Stakelama Chen et al. 2010	validly published under the ICNP	correct name
    "Tardibacter" Lee et al. 2018	not validly published	preferred name
    Yabuuchia Wang et al. 2025	validly published under the ICNP	synonym

Parent taxon: Sphingomonadales Yabuuchi and Kosako 2006

Assigned by: Yabuuchi E, Kosako Y. Order IV. Sphingomonadales ord. nov. In: Brenner DJ, Krieg NR, Staley JT, Garrity GM (eds), Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. 2 (The Proteobacteria), part C (The Alpha-, Beta-, Delta-, and Epsilonproteobacteria), Springer, New York, 2005, p. 230-233. 🇺🇸

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Record number: 1302